Movement Automatic (with hand winding) mechanical in-house caliber F6S22 made in Japan Power reserve: 40 hours Accuracy: ＋25 seconds ～－15 seconds per day Second hands hacking 24 jewels Case Case material: Stainless steel (black plated bezel) Case size: 42.3 mm / thickness 12.4 mm Case back: Limited edition and serial number engraving Glass – Front: crystal glass, back: crystal glass Water resistance: 5 bar (50 m) See-through window on case back Strap Stainless steel (SUS316L) / trifold deployant buckle with push button / width 20 mm RA-AR0303G Case back with engravings and see-through window Guitar strings are printed on the pick guard at 3 o’clock Dial Colour of dial: Brown gradation Luminous Light on hands, regular luminescence on indices Mother of pearl index at 12 oʼ clock Inner rotating bezel Edition Limited edition of 400 pieces